Answer:
it decreases and will get colder
Explanation:
The answer is "an American Colony".
"The ordinary man knows that [Saudi Arabia] is the largest oil producer in the world, yet at the same time he is suffering from taxes and bad services. Now the people understand the speeches of the ulemas in the mosques--that our country has become an American colony. They act decisively with every action to kick the Americans out of Saudi Arabia. What happened in Riyadh and [Dhahran] when 24 Americans were killed in two bombings is clear evidence of the huge anger of Saudi people against America. The Saudis now know their real enemy is America." - Osama Bin Laden, July 10th, 1996
The mountain ranges and rivers in Southeast Asia have made a stripe like relief in the mainland of this region. The mountain ranges are in a north-south direction and separate the region into few big elongated valleys, and the 5 big rivers also are moving from the north towards the south (southeast, southwest as well), and are running in between the mountain ranges and cut through the valleys.